CN113471857A - Electric power cabinet that can independently cool down and put out a fire - Google Patents

Electric power cabinet that can independently cool down and put out a fire Download PDF

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Publication number
CN113471857A
CN113471857A CN202110394560.XA CN202110394560A CN113471857A CN 113471857 A CN113471857 A CN 113471857A CN 202110394560 A CN202110394560 A CN 202110394560A CN 113471857 A CN113471857 A CN 113471857A
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CN
China
Prior art keywords
wall
fixedly connected
box body
magnet
sealing
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Granted
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CN202110394560.XA
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Chinese (zh)
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CN113471857B (en
Inventor
蒋光汲
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Chongqing Huamei Electric Power Equipment Co ltd
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Individual
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/108—Rainwater harvesting

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention relates to the technical field of electric power cabinets and discloses an electric power cabinet capable of automatically cooling and extinguishing fire, which comprises a box body, a water storage cavity is arranged at the upper side inside the box body, a support rod is hinged with the right side wall of the water storage cavity, the upper side of the inner wall of the box body is fixedly connected with a filter screen, the upper end of the support rod is hinged with a sealing plate, the right side fixedly connected with spring of closing plate, the right-hand member fixed connection of spring is on the inner wall right side of box, if meet rainy day and can ponding on the closing plate during use, can push down the closing plate when the ponding is more, rivers flow into the retaining chamber of closing plate bottom, the opening of closing plate resilience shutoff box upside after the rain stops, prevent water evaporation, the filter screen has prevented debris such as fallen leaves from falling into the retaining chamber, rivers flow into the downside of box along the opening of shutoff mechanism department, whole mechanism then can repeat the water injection action, reached and can independently reduce the thermal purpose of this body.

Description

Electric power cabinet that can independently cool down and put out a fire
Technical Field
The invention relates to the technical field of electric power cabinets, in particular to an electric power cabinet capable of automatically cooling and extinguishing fire.
Background
The power distribution cabinet (box) is used in the occasions with dispersed load and less loops; the motor control center is used for the occasions with concentrated loads and more loops, distributes the electric energy of a certain circuit of the upper-level distribution equipment to the nearby loads, the equipment provides protection, monitoring and control for the loads, when the equipment works outdoors for a long time, the fire disaster is caused by the overheating and overload of the circuit due to high temperature of the internal operation or hot weather, and the heat dissipation capability of the electric power cabinet can not reach the safety range completely by the heat dissipation of the electric power cabinet, so the electric power cabinet which can automatically reduce the heat of the body is needed to avoid the fire disaster problem.
Disclosure of Invention
The invention aims to provide an electric power cabinet capable of automatically cooling and extinguishing fire, and the purpose of automatically reducing the heat of a body is achieved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an electric power cabinet that can independently cool down and put out a fire, includes the box, the retaining chamber has been seted up to the inside upside of box, the right side wall in retaining chamber articulates there is the bracing piece, the inner wall upside fixedly connected with filter screen of box, the upper end of bracing piece articulates there is the closing plate, the right side fixedly connected with spring of closing plate, the right-hand member fixed connection of spring is on the inner wall right side of box, the evaporation window has been seted up to the lateral wall of box, the inside of box is provided with pressure-bearing mechanism and shutoff mechanism.
Preferably, the pressure-bearing mechanism includes parcel bag, bearing plate, connecting strip, bullet board, second spring, fixed slot, the inner wall bottom that the lower fixed surface of parcel bag is connected, the last fixed surface of parcel bag is connected with, the upper surface of parcel bag passes through the stay cord and is connected with shutoff mechanism, the inner wall top of parcel bag and the last fixed surface of bearing plate are connected, the lower surface of bearing plate and the upper end fixed connection of connecting strip, the lower extreme of connecting strip and the last fixed surface of bullet board are connected, the inside at fixed slot of bullet board joint, the lower surface of bullet board and the upper end fixed connection of second spring, the lower extreme fixed connection of second spring is in the inner wall bottom of box, fixed slot's lower fixed surface is connected in the inner wall bottom of box.
Preferably, the plugging mechanism comprises a buffer block, a sealing mechanism, a first magnet, a third arc-shaped elastic sheet, a second magnet, a sealing block and a pull rod, the lower surface of the buffer block is fixedly connected with the upper end of the pull rope, the box body is provided with a cavity at the position which is positioned at the upper side of the buffer block, the upper surface of the buffer block is fixedly connected with the lower surface of the pull rod, the outer wall of the pull rod is sleeved with a first magnet, the lower surface of the first magnet is fixedly connected with the inner wall of the box body, the inner wall of the first magnet is connected with the outer wall of the pull rod in a sliding way, the upper surface of the first magnet is fixedly connected with the lower end of the third arc-shaped elastic sheet, the upper end of the third arc-shaped elastic sheet is fixedly connected with the lower surface of the second magnet, the upper surface of second magnet and the upper surface fixed connection of sealed piece, the inner wall of sealed piece and the outer wall fixed connection of pull rod, sealing mechanism sets up the upper end at the pull rod.
Preferably, sealing mechanism includes fixed block, parcel leather, mounting, annular pole, dead lever, pushes down the shell fragment, the upper end of pull rod and the inner wall fixed connection of fixed block, the lower surface of fixed block and the upper surface fixed connection of parcel leather, the inner wall bottom of parcel leather and the lower fixed connection of mounting, the upper surface right side of mounting and the left end fixed connection of annular pole, the right-hand member of annular pole is around the inner wall bottom of parcel leather through dead lever fixed connection, the front end of dead lever and the equal fixed connection in the inner wall of parcel leather in rear end, the outer wall left side of annular pole and the right-hand member fixed connection of pushing down the shell fragment.
Preferably, the outer walls of the first magnet, the second magnet and the sealing block are connected with the inner wall of the box body in a sliding mode.
Preferably, the diameters of the outer walls of the first magnet, the second magnet and the sealing block are the same as the diameter of the inner wall of the cavity formed in the position, located on the upper side of the buffer block, of the box body.
Preferably, the outer wall of the sealing plate is in contact with the inner wall of the case.
The invention provides an electric power cabinet capable of automatically cooling and extinguishing fire. The method has the following beneficial effects:
when the device is used, water is accumulated on the sealing plate in rainy days, the sealing plate is pressed downwards when the water accumulation amount is large, water flows into the water storage cavity at the bottom of the sealing plate, the sealing plate rebounds to block the opening at the upper side of the box body after the device is stopped in rain, water evaporation is prevented, sundries such as fallen leaves and the like are prevented from falling into the water storage cavity by the filter screen, the water flows into the lower side of the box body along the opening at the blocking mechanism, when the pressure-bearing mechanism is pressed downwards by the gravity of the water flow, the wrapping bag moves downwards under the pressure of the water flow, the pressure-bearing plate presses the elastic plate to deform, when the pressure is larger than the deformation limit of the elastic plate, the elastic plate bends suddenly and falls into the lower half part of the fixed clamping groove from the upper half part of the fixed clamping groove, the second spring deforms to shrink the stored force, when the pressure-bearing plate descends, the wrapping bag pulls down the lower end of the pull rope to pull the blocking mechanism, the pull rod moves downwards, and the second magnet, the third arc-shaped elastic sheet, the second magnet and the third arc-shaped elastic sheet are pressed into the lower part of the box, and the box is pressed by the spring, and the elastic sheet is pressed into the elastic sheet, and then pressed into the elastic sheet, and the elastic sheet is pressed into the, First magnet forms the restriction to the displacement of shutoff mechanism, excessive skew can not be carried out, sealed piece makes can not intake in the cavity, sealing mechanism's effect is perfect shutoff water inlet, make the moisture that flows down slowly follow evaporation window evaporation heat absorption, the second spring upwards jack-up makes the diving board when the water yield is less, with the first half that the fixed slot was pushed up to the fixed slot from the latter half of fixed slot to the diving board, make sealing mechanism department can intake, and make the action of sealing mechanism during operation be the rapid motion that once targets in place, the inhomogeneous shutoff problem of atress that has avoided slow motion to bring, and whole mechanism then can repeat the water injection action, reached and can independently reduced this thermal purpose.
Drawings
FIG. 1 is a schematic axial side perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the front view of the present invention;
FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention;
fig. 5 is a schematic cross-sectional view of the sealing mechanism of the present invention.
In the figure: the device comprises a box body 1, a filter screen 2, a supporting rod 3, a sealing plate 4, a spring 5, a pressure bearing mechanism 6, a blocking mechanism 7, a pull rope 8, a wrapping bag 601, a pressure bearing plate 602, a connecting strip 603, an elastic plate 604, a second spring 605, a fixed clamping groove 606, a buffer block 701, a sealing mechanism 702, a first magnet 703, a third arc-shaped elastic sheet 704, a second magnet 705, a sealing block 706, a pull rod 707, a fixed block 201, wrapping leather 202, a sealing sheet 203, an annular rod 204, a fixed rod 205 and a downward pressing elastic sheet 206.
Detailed Description
As shown in fig. 1 to 5, the present invention provides a technical solution: an electric power cabinet capable of automatically cooling and extinguishing fire comprises a box body 1, wherein a water storage cavity is formed in the upper side inside the box body 1, a support rod 3 is hinged to the right side wall of the water storage cavity, a filter screen 2 is fixedly connected to the upper side of the inner wall of the box body 1, a sealing plate 4 is hinged to the upper end of the support rod 3, the outer wall of the sealing plate 4 is in contact with the inner wall of the box body 1, a spring 5 is fixedly connected to the right side of the sealing plate 4, the right end of the spring 5 is fixedly connected to the right side of the inner wall of the box body 1, an evaporation window is formed in the side wall of the box body 1, and a pressure-bearing mechanism 6 and a plugging mechanism 7 are arranged inside the box body 1;
The pressure-bearing mechanism 6 comprises a wrapping bag 601, a pressure-bearing plate 602, a connecting strip 603, an elastic plate 604, a second spring 605 and a fixed clamping groove 606, the lower surface of the wrapping bag 601 is fixedly connected to the bottom of the inner wall of the box 1, the upper surface of the wrapping bag 601 is fixedly connected with 8, the upper surface of the wrapping bag 601 is connected with the plugging mechanism 7 through a pull rope 8, the top of the inner wall of the wrapping bag 601 is fixedly connected with the upper surface of the pressure-bearing plate 602, the lower surface of the pressure-bearing plate 602 is fixedly connected with the upper end of the connecting strip 603, the lower end of the connecting strip 603 is fixedly connected with the upper surface of the elastic plate 604, the elastic plate 604 is clamped inside the fixed clamping groove 606, the lower surface of the elastic plate 604 is fixedly connected with the upper end of the second spring 605, the lower end of the second spring 605 is fixedly connected to the bottom of the inner wall of the box 1, and the lower surface of the fixed clamping groove 606 is fixedly connected to the bottom of the inner wall of the box 1;
the plugging mechanism 7 comprises a buffer block 701, a sealing mechanism 702, a first magnet 703, a third arc-shaped elastic sheet 704, a second magnet 705, a sealing block 706 and a pull rod 707, wherein the lower surface of the buffer block 701 is fixedly connected with the upper end of a pull rope 8, the box body 1 is provided with a cavity at the position above the buffer block 701, the upper surface of the buffer block 701 is fixedly connected with the lower surface of the pull rod 707, the outer wall of the pull rod 707 is sleeved with the first magnet 703, the lower surface of the first magnet 703 is fixedly connected with the inner wall of the box body 1, the inner wall of the first magnet 703 is slidably connected with the outer wall of the pull rod 707, the upper surface of the first magnet 703 is fixedly connected with the lower end of the third arc-shaped elastic sheet 704, the upper end of the third arc-shaped elastic sheet 704 is fixedly connected with the lower surface of the second magnet 705, the upper surface of the second magnet 705 is fixedly connected with the upper surface of the sealing block 706, the inner wall of the sealing block 706 is fixedly connected with the outer wall of the pull rod 707, the sealing mechanism 702 is arranged at the upper end of the pull rod 707;
The sealing mechanism 702 comprises a fixing block 201, wrapping leather 202, a sealing sheet 203, an annular rod 204 and a fixing rod 205, push down shell fragment 206, the upper end of pull rod 707 and the inner wall fixed connection of fixed block 201, the lower surface of fixed block 201 and the upper surface fixed connection of parcel leather 202, the inner wall bottom of parcel leather 202 and the lower surface fixed connection of mounting 203, the upper surface right side of mounting 203 and the left end fixed connection of annular rod 204, the right-hand member of annular rod 204 is around passing through fixing rod 205 fixed connection in the inner wall bottom of parcel leather 202, the equal fixed connection in the inner wall of parcel leather 202 of front end and rear end of fixing rod 205, the outer wall left side of annular rod 204 and the right-hand member fixed connection of pushing down shell fragment 206, first magnet 703, second magnet 705, the outer wall of sealing block 706 all with the inner wall sliding connection of box 1, first magnet 703, second magnet, the outer wall diameter of sealing block 706 all is the same with the diameter of the cavity 705 that box 1 is located the position of buffer block 701 upside and offers.
The working principle is as follows: when the water storage type solar water heater is used, if water is accumulated on the sealing plate 4 in rainy days, the sealing plate 4 is pressed downwards when the accumulated water amount is large, water flows into the water storage cavity at the bottom of the sealing plate 4, the sealing plate 4 rebounds to block the opening at the upper side of the box body 1 after rain stops to prevent water from evaporating, the filter screen 2 prevents sundries such as fallen leaves from falling into the water storage cavity, the water flows into the lower side of the box body 1 along the opening at the blocking mechanism 7, when the pressure-bearing mechanism 6 is pressed under the gravity of the water flow, the wrapping bag 601 moves downwards under the pressure of the water flow to enable the pressure-bearing plate 602 to press the elastic plate 604 to deform, when the pressure is larger than the deformation limit of the elastic plate 604, the elastic plate 604 bends suddenly to sink into the lower half part of the fixed clamping groove 606 to enable the second spring 605 to deform and contract the stored force, when the pressure-bearing plate 602 descends, the wrapping bag 601 dragrope 8 enables the blocking mechanism 7 to be pulled downwards by the dragrope 8 to enable the draw rod 707 downwards, the second magnet 705 is close to the first magnet 703 in the same pole, and the pull rod 707 is not excessively deviated due to the elasticity of the third arc-shaped elastic sheet 704, the buffer block 701 plays a role in buffering water flow to fall down, the sealing block 706 prevents water from entering the cavity, after the water injection is completed, the pull rod 707 falls down to enable the wrapping leather 202 to contact with a through hole for water injection downwards of the box body 1 and to block the through hole, the sealing sheet 203 is deformed upwards during the blocking to enable the annular rod 204 to move annularly, the outer edge of the wrapping leather 202 is pressed downwards to prevent the water flow from seeping downwards, the flowing water is slowly evaporated and absorbed from the evaporation window, when the water amount is small, the second spring 605 jacks up to enable the elastic plate 604 to jack the upper half part of the fixed clamping groove 606 from the lower half part of the fixed clamping groove 606, the water can enter the sealing mechanism, and the action of the sealing mechanism during the work is a one-time rapid movement, so that the problem of uneven blocking caused by slow movement is avoided, the whole mechanism can repeat water injection action, and the purpose of independently reducing the body heat is achieved.

Claims (7)

1. The utility model provides a can independently cool down electric power cabinet of putting out a fire, includes box (1), its characterized in that: the water storage cavity is formed in the upper side of the inside of the box body (1), the right side wall of the water storage cavity is hinged to a support rod (3), a filter screen (2) is fixedly connected to the upper side of the inner wall of the box body (1), a sealing plate (4) is hinged to the upper end of the support rod (3), a spring (5) is fixedly connected to the right side of the sealing plate (4), the right end of the spring (5) is fixedly connected to the right side of the inner wall of the box body (1), an evaporation window is formed in the side wall of the box body (1), and a pressure bearing mechanism (6) and a plugging mechanism (7) are arranged inside the box body (1).
2. The electric power cabinet capable of automatically cooling and extinguishing fire according to claim 1, characterized in that: the pressure-bearing mechanism (6) comprises a wrapping bag (601), a pressure-bearing plate (602), a connecting strip (603), an elastic plate (604), a second spring (605) and a fixed clamping groove (606), the lower surface of the wrapping bag (601) is fixedly connected to the bottom of the inner wall of the bag (1), the upper surface of the wrapping bag (601) is fixedly connected with a sealing mechanism (8), the upper surface of the wrapping bag (601) is connected with a sealing mechanism (7) through a pull rope (8), the top of the inner wall of the wrapping bag (601) is fixedly connected with the upper surface of the pressure-bearing plate (602), the lower surface of the pressure-bearing plate (602) is fixedly connected with the upper end of the connecting strip (603), the lower end of the connecting strip (603) is fixedly connected with the upper surface of the elastic plate (604), the elastic plate (604) is clamped in the fixed clamping groove (606), and the lower surface of the elastic plate (604) is fixedly connected with the upper end of the second spring (605), the lower end of the second spring (605) is fixedly connected to the bottom of the inner wall of the box body (1), and the lower surface of the fixed clamping groove (606) is fixedly connected to the bottom of the inner wall of the box body (1).
3. The electric power cabinet capable of automatically cooling and extinguishing fire according to claim 1, characterized in that: the blocking mechanism (7) comprises a buffer block (701), a sealing mechanism (702), a first magnet (703), a third arc-shaped elastic sheet (704), a second magnet (705), a sealing block (706) and a pull rod (707), the lower surface of the buffer block (701) is fixedly connected with the upper end of a pull rope (8), the box body (1) is provided with a cavity at the position on the upper side of the buffer block (701), the upper surface of the buffer block (701) is fixedly connected with the lower surface of the pull rod (707), the outer wall of the pull rod (707) is sleeved with the first magnet (703), the lower surface of the first magnet (703) is fixedly connected with the inner wall of the box body (1), the inner wall of the first magnet (703) is slidably connected with the outer wall of the pull rod (707), the upper surface of the first magnet (703) is fixedly connected with the lower end of the third arc-shaped elastic sheet (704), and the upper end of the third arc-shaped elastic sheet (704) is fixedly connected with the lower surface of the second magnet (705), the upper surface of the second magnet (705) is fixedly connected with the upper surface of a sealing block (706), the inner wall of the sealing block (706) is fixedly connected with the outer wall of a pull rod (707), and the sealing mechanism (702) is arranged at the upper end of the pull rod (707).
4. The electric power cabinet capable of automatically cooling and extinguishing fire according to claim 3, characterized in that: the sealing mechanism (702) comprises a fixed block (201), wrapping leather (202), a sealing sheet (203), an annular rod (204), a fixed rod (205) and a lower pressing elastic sheet (206), the upper end of the pull rod (707) is fixedly connected with the inner wall of the fixed block (201), the lower surface of the fixed block (201) is fixedly connected with the upper surface of the wrapping leather (202), the bottom of the inner wall of the wrapping leather (202) is fixedly connected with the lower surface of the sealing sheet (203), the right side of the upper surface of the sealing sheet (203) is fixedly connected with the left end of the annular rod (204), the right end of the annular rod (204) is fixedly connected to the bottom of the inner wall of the wrapping leather (202) by winding a fixed rod (205), the front end and the rear end of the fixed rod (205) are fixedly connected with the inner wall of the wrapping leather (202), the left side of the outer wall of the annular rod (204) is fixedly connected with the right end of the downward pressing elastic sheet (206).
5. The electric power cabinet capable of automatically cooling and extinguishing fire according to claim 2, characterized in that: the outer walls of the first magnet (703), the second magnet (705) and the sealing block (706) are in sliding connection with the inner wall of the box body (1).
6. The electric power cabinet capable of automatically cooling and extinguishing fire according to claim 2, characterized in that: the diameters of the outer walls of the first magnet (703), the second magnet (705) and the sealing block (706) are the same as the diameter of the inner wall of a cavity formed in the box body (1) at the position above the buffer block (701).
7. The electric power cabinet capable of automatically cooling and extinguishing fire according to claim 1, characterized in that: the outer wall of the sealing plate (4) is in contact with the inner wall of the box body (1).
CN202110394560.XA 2021-04-13 2021-04-13 Electric power cabinet that can independently cool down and put out a fire Active CN113471857B (en)

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CN202110394560.XA CN113471857B (en) 2021-04-13 2021-04-13 Electric power cabinet that can independently cool down and put out a fire

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Application Number Priority Date Filing Date Title
CN202110394560.XA CN113471857B (en) 2021-04-13 2021-04-13 Electric power cabinet that can independently cool down and put out a fire

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CN113471857A true CN113471857A (en) 2021-10-01
CN113471857B CN113471857B (en) 2022-11-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116565736A (en) * 2023-07-10 2023-08-08 新乡电力变压器有限公司 Fully-buried preassembled transformer substation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1031799A2 (en) * 1999-02-25 2000-08-30 Kooltronic Inc. Air handling apparatus and method of attachment to an enclosure
CN111342374A (en) * 2020-04-21 2020-06-26 绍兴图雅电子科技有限公司 Novel box-type substation capable of automatically extinguishing fire
CN211458341U (en) * 2019-12-29 2020-09-11 姜峰 Rain-collecting type desert planting and drip irrigation device
CN111834925A (en) * 2020-07-09 2020-10-27 李贺龙 Electric power cabinet on highway side

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1031799A2 (en) * 1999-02-25 2000-08-30 Kooltronic Inc. Air handling apparatus and method of attachment to an enclosure
CN211458341U (en) * 2019-12-29 2020-09-11 姜峰 Rain-collecting type desert planting and drip irrigation device
CN111342374A (en) * 2020-04-21 2020-06-26 绍兴图雅电子科技有限公司 Novel box-type substation capable of automatically extinguishing fire
CN111834925A (en) * 2020-07-09 2020-10-27 李贺龙 Electric power cabinet on highway side

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116565736A (en) * 2023-07-10 2023-08-08 新乡电力变压器有限公司 Fully-buried preassembled transformer substation
CN116565736B (en) * 2023-07-10 2023-09-19 新乡电力变压器有限公司 Fully-buried preassembled transformer substation

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